Sensor Testing via Announcement-Driven Interaction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Manual testing of sensors in materials handling facilities is labor-intensive and disrupts facility operations, often resulting in incorrect or absent sensor data due to malfunctions, which can impact inventory management systems.
Innovation Solution
A system utilizing actuators to apply forces to inventory locations, generating diagnostic data by detecting the presence or absence of signals in weight sensors and imaging sensors, with minimal human intervention, and using announcements to stimulate sensors for testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual testing of sensors is performed, then sensor functionality can be verified, but labor intensity increases and facility operations are disrupted
Solution Approach 1:
The system performs sensor testing in advance by presenting announcements to users before they arrive at inventory locations. This preliminary action allows sensor functionality to be verified without disrupting actual facility operations, as the testing occurs during normal user navigation rather than requiring separate testing sessions.
Solution Approach 2:
The sensor testing system utilizes normal user traffic and their interactions with announcements to automatically test sensor functionality. The system serves itself by converting routine user activities into testing opportunities, eliminating the need for dedicated manual testers and reducing labor intensity while maintaining continuous operations.
2Productivity
If sensors are tested during normal operations, then operational disruption is minimized, but testing accuracy may be compromised
Solution Approach 1:
The system introduces an intermediary layer between the sensor and the user environment - a controlled announcement presentation mechanism. This intermediary allows the system to stimulate sensors with known inputs (announcements) while filtering out the complexity of normal operational interference, thereby maintaining both operational continuity and testing accuracy simultaneously.
3Extent of automation
If automated testing systems are implemented, then labor requirements are reduced, but system complexity increases
Solution Approach 1:
The automated testing system is integrated into the existing facility infrastructure, with announcement presentation devices serving dual purposes: communicating inventory information to users and stimulating sensors for testing. This multi-functionality reduces the need for separate dedicated testing equipment, thereby lowering overall system complexity while maintaining high automation levels.
4Reliability
If frequent sensor testing is performed, then sensor malfunctions are detected quickly, but facility operations are disrupted more often
Solution Approach 1:
The system implements periodic sensor testing by presenting announcements at regular intervals or based on user traffic patterns. This periodic action ensures sensors are tested frequently enough to detect malfunctions quickly, while the timing is coordinated with normal facility operations to minimize disruptions. Testing occurs during natural user flows rather than forcing operational pauses.
Data Source
AI summary
Functionality of sensors on a shelf or other inventory location is tested by encouraging an interaction and determining if the output from the sensors on the shelf is consistent with the interaction. An interaction at the shelf can include, for example, a user adding or removing an item from the shelf. To encourage this type of interaction with the shelf or items therein, an announcement may be generated and presented to a user. The announcement may comprise an advertisement with some type of incentive for the user to add or remove an item from the shelf. Upon verifying such an interaction, sensor data before and after the interaction can be compared to generate diagnostic data for the sensor, which can indicate whether the sensor is operational or malfunctioning.